The old adage tells us that power corrupts, and absolute power corrupts absolutely. Now, we don’t know much about absolute power, but we do know that darn near any factory-equipped V-twin leaves plenty of room for improvement on the power-delivery scale. For a case in point, we present an ’08 Harley EFI Road King. Coming straight from the Milwaukee MoCo with a pair of jugs measuring in at 96ci and backed by the Factory’s six-speed transmission, its lack of overall power was fairly noticeable when laden with riders and a little gear for a weekend getaway. Not wanting to always be running the shifter peg up and down looking for more pulling power, we placed a call to Cobra Engineering in Yorba Linda, California, for some help in adding the extra ponies we dearly wanted. What happened on the dyno was more than we could have hoped for.
Once in the door at Cobra, a quick overview was done on the Road King to determine what its ailments were. A glance at the full factory exhaust and air cleaner were all that the good doctor needed to determine a plan of action. Peering at the prescription pad put a smile on our face, as we knew all the ailments would soon be cured. Breathing in was going to be handled with a PowerFlo intake ($249.95) while gasses out would be handled with both the True Dual Head Pipes ($399.95) and Tri-Oval Slip-On mufflers ($539.95). Being this cruiser was an EFI machine; we needed some way to tell the ECM what changes were made to the breathing system for the V-twin. Enter Cobra’s latest piggyback module, the Fi2000 PowerPro ($599.95).
Now, the intake and exhaust are simple and easy to understand, so we’ll delve into the PowerPro. Cobra’s latest controller in the Fi2000 series is designed to always supply your bike with optimum fuel ratios. The unit tunes fuel delivery in every gear, with every environmental change, and every engine modification. According to Cobra, the PowerPro reads the bike’s EFI delivery at more than 80 times per second to optimize the air and fuel ratio under any and all loads. What this means is, no matter what kind of new hardware is installed on your bike, the PowerPro provides constant variable tuning in real time without having to constantly alter the fuel maps every time you upgrade parts for additional power. We were intrigued with the information given us, so we jumped right in to adding some bite to go with our Road King’s bark. HB
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